45402415 has 8 divisors (see below), whose sum is σ = 54528768. Its totient is φ = 36291360.

The previous prime is 45402407. The next prime is 45402439. The reversal of 45402415 is 51420454.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45402415 - 2³ = 45402407 is a prime.

It is a super-2 number, since 2×45402415² = 4122758575664450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45402415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4269 + ... + 10441.

It is an arithmetic number, because the mean of its divisors is an integer number (6816096).

Almost surely, 2^45402415 is an apocalyptic number.

45402415 is a deficient number, since it is larger than the sum of its proper divisors (9126353).

45402415 is a wasteful number, since it uses less digits than its factorization.

45402415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 45402415 is about 6738.1314175371. The cubic root of 45402415 is about 356.7464427872.

Adding to 45402415 its reverse (51420454), we get a palindrome (96822869).

The spelling of 45402415 in words is "forty-five million, four hundred two thousand, four hundred fifteen".